Drag and drop a view

Question

I am trying to drag and drop a button on the screen.i can drag but when i drop the following error takes place. Logcat:

12-05 15:03:00.905: E/AndroidRuntime(         


        

Answer 1

Simply use this method:

public interface DropListener {

/**
 * Called when an item is to be dropped.
 * @param from - index item started at.
 * @param to - index to place item at.
 */
void onDrop(int from, int to);
}

You can see here. And, let you can know more detail.